Timeline for What are the critical characteristics of an op-amp for buffering reference voltages?
Current License: CC BY-SA 3.0
10 events
| when toggle format | what | by | license | comment | |
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| Dec 29, 2017 at 14:52 | vote | accept | Anthony | ||
| Dec 28, 2017 at 6:36 | comment | added | user57037 | Maybe Power supply rejection ratio. PSRR. | |
| Dec 28, 2017 at 5:06 | answer | added | analogsystemsrf | timeline score: 0 | |
| Dec 28, 2017 at 0:18 | history | tweeted | twitter.com/StackElectronix/status/946173402859167744 | ||
| Dec 27, 2017 at 21:49 | comment | added | PlasmaHH | People, this is the kind of question you ask when looking for parts, not "gimme part no for XXX" | |
| Dec 27, 2017 at 19:29 | answer | added | Olin Lathrop | timeline score: 6 | |
| Dec 27, 2017 at 18:55 | comment | added | Anthony | What kind of frequencies are we talking about, do you think? If it's running from a SMPS then it'd be hundreds of kHz to MHz, right? But for LDO then it can't be that much, right? | |
| Dec 27, 2017 at 18:44 | comment | added | glen_geek | Another buffer characteristic: ability to drive a capacitive load. Very often, a reference will include a bypass capacitor to ground, because a buffer's high-frequency performance is not-so-great. As a buffer (gain near 1), oscillation may be a problem. And CMRR, PSRR are not good at high frequency. | |
| Dec 27, 2017 at 18:37 | history | edited | Anthony | CC BY-SA 3.0 |
deleted 12 characters in body
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| Dec 27, 2017 at 18:31 | history | asked | Anthony | CC BY-SA 3.0 |